StacksVerified U.S. regulatory reference

27 CFR §21.65

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Formula. To every 100 gallons of alcohol add:
  2. (b)Authorized uses.
    1. (1)As a solvent:
    2. (2)Miscellaneous uses:
If it is shown that none of the above single denaturants or combinations can be used in the manufacture of a particular product, the user may submit an application to the appropriate TTB officer, requesting permission to use another essential oil or substance having denaturing properties satisfactory to the appropriate TTB officer. In such a case the user shall furnish the appropriate TTB officer, with specifications, assay methods, the name and address of the manufacturer, and an 8-ounce sample of the denaturant for analysis.